:root {
    --bg-primary: #0d0d0f;
    --bg-panel: #171717;
    --bg-input: #232323;
    --border-soft: rgba(255, 255, 255, 0.1);
    --text-main: #f2f2f2;
    --text-muted: #b6b6b6;
    --accent-start: #6373f4;
    --accent-end: #7d4cc2;
    --accent-soft: rgba(99, 115, 244, 0.18);
}

body.auth-page {
    min-height: 100vh;
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background:
        radial-gradient(circle at top, rgba(99, 115, 244, 0.14), transparent 28%),
        linear-gradient(180deg, #0b0b0d 0%, #111113 100%);
    color: var(--text-main);
}

.auth-wrapper {
    min-height: 100vh;
    padding: 24px 16px;
}

.auth-card {
    width: min(100%, 460px);
    background: var(--bg-panel);
    border: 1px solid var(--border-soft);
    border-radius: 24px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.auth-logo-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 14px;
}

.auth-logo {
    width: 120px;
    max-width: 32vw;
    max-height: 30px;
    height: auto;
    display: block;
    object-fit: contain;
    filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.24));
}

.auth-title {
    margin-bottom: 8px;
    font-size: clamp(2rem, 4vw, 2.6rem);
    font-weight: 700;
    line-height: 1.1;
    text-align: center;
    color: #7b78f2;
}

.auth-subtitle {
    margin-bottom: 24px;
    text-align: center;
    color: var(--text-muted);
}

body.register-page .auth-card-compact {
    width: min(100%, 410px);
}

body.register-page .auth-card-body-compact {
    padding-top: 26px !important;
    padding-bottom: 26px !important;
}

body.register-page .auth-title {
    font-size: clamp(1.8rem, 3.2vw, 2.35rem);
    margin-bottom: 6px;
}

body.register-page .auth-subtitle {
    margin-bottom: 18px;
    font-size: 0.95rem;
}

body.register-page .form-label {
    margin-bottom: 8px;
}

body.register-page .form-control {
    min-height: 50px;
    padding: 12px 16px;
}

body.register-page .captcha-panel {
    padding: 12px;
}

body.register-page .btn-refresh {
    min-height: 42px;
}

body.register-page .btn-auth {
    min-height: 52px;
    margin-top: 6px !important;
}

body.register-page .alert {
    margin-bottom: 14px;
}

body.login-page .auth-card-compact {
    width: min(100%, 410px);
}

body.login-page .auth-card-body-compact {
    padding-top: 26px !important;
    padding-bottom: 26px !important;
}

body.login-page .auth-title {
    font-size: clamp(1.8rem, 3.2vw, 2.35rem);
    margin-bottom: 6px;
}

body.login-page .auth-subtitle {
    margin-bottom: 18px;
    font-size: 0.95rem;
}

body.login-page .form-label {
    margin-bottom: 8px;
}

body.login-page .form-control {
    min-height: 50px;
    padding: 12px 16px;
}

body.login-page .captcha-panel {
    padding: 12px;
}

body.login-page .btn-refresh {
    min-height: 42px;
}

body.login-page .btn-auth {
    min-height: 52px;
    margin-top: 6px !important;
}

body.login-page .alert {
    margin-bottom: 14px;
}

.form-label {
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-muted);
}

.form-control {
    min-height: 56px;
    padding: 14px 18px;
    color: var(--text-main);
    background-color: var(--bg-input);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 14px;
}

.form-control::placeholder {
    color: #8f8f8f;
}

.form-control:focus {
    color: var(--text-main);
    background-color: var(--bg-input);
    border-color: rgba(123, 120, 242, 0.65);
    box-shadow: 0 0 0 0.25rem rgba(123, 120, 242, 0.15);
}

.captcha-panel {
    padding: 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-soft);
    border-radius: 16px;
}

.captcha-image {
    width: 100%;
    display: block;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.btn-refresh {
    min-height: 46px;
    border-radius: 10px;
    border: 1px solid rgba(123, 120, 242, 0.4);
    color: #8ea0ff;
    background: rgba(99, 115, 244, 0.14);
}

.btn-refresh:hover,
.btn-refresh:focus {
    color: #c8d0ff;
    background: rgba(99, 115, 244, 0.22);
    border-color: rgba(123, 120, 242, 0.55);
}

.btn-auth {
    min-height: 58px;
    border: 0;
    border-radius: 14px;
    font-size: 1.05rem;
    font-weight: 700;
    color: #ffffff;
    background: linear-gradient(90deg, var(--accent-start), var(--accent-end));
    box-shadow: 0 18px 40px rgba(109, 90, 223, 0.25);
}

.btn-auth:hover,
.btn-auth:focus {
    color: #ffffff;
    background: linear-gradient(90deg, #6b7cf5, #8a58d1);
}

.auth-switch {
    color: var(--text-muted);
}

.auth-switch a {
    color: #6f87ff;
    text-decoration: none;
    font-weight: 600;
}

.auth-switch a:hover,
.auth-switch a:focus {
    color: #93a5ff;
}

@media (max-width: 575.98px) {
    .auth-wrapper {
        padding: 12px;
    }

    .auth-card {
        border-radius: 20px;
    }

    .auth-card .card-body {
        padding: 24px 18px;
    }

    .captcha-panel {
        padding: 12px;
    }
}